| Specimen ID | 1897436 |
| Group | Plants |
| Genus | Trapa |
| Species | bispinosa |
| Variety | iinumai |
| Common Name | water chestnut |
| State | VA |
| County | Fairfax |
| Locality | Great Oak Lane pond |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Potomac-Anacostia-Occoquan |
| HUC8 Number | 02070010 |
| HUC10 Name | Bull Run |
| HUC10 Number | 0207001007 |
| HUC12 Name | Lower Bull Run |
| HUC12 Number | 020700100705 |
| Map | |
| Collection Year | 2025 |
| Year Accuracy | Actual |
| Record Type | Personal communication |
